21159692

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{139}}^1\times {\mathrm{2003}}^1$

素因数の和:2165

約数の個数: 24

約数和(自身を含む): 39278400

約数和(自身を除く): 18118708

約数列:

[1, 2, 4, 19, 38, 76, 139, 278, 556, 2003, 2641, 4006, 5282, 8012, 10564, 38057, 76114, 152228, 278417, 556834, 1113668, 5289923, 10579846, 21159692]

約数ペア:

[(1, 21159692), (2, 10579846), (4, 5289923), (19, 1113668), (38, 556834), (76, 278417), (139, 152228), (278, 76114), (556, 38057), (2003, 10564), (2641, 8012), (4006, 5282)]